Front: [math/0701027] Orbit inequivalent actions for groups containing a copy of $\Bbb F

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math/0701027

Title: Orbit inequivalent actions for groups containing a copy of $\Bbb F_2$
Authors: Adrian Ioana
Categories: math.GR Group Theory (math.OA Operator Algebras)
Comments: 18 pages; the introduction and Section 4 have been rewritten
MSC: 28D15, 46L10, 46L35

Abstract: We prove that if a countable group $\Gamma$ contains a copy of $\Bbb F_2$, then it admits uncountably many non orbit equivalent actions.

Owner: Adrian Ioana
Version 1: Sun, 31 Dec 2006 13:02:56 GMT
Version 2: Fri, 21 Mar 2008 07:00:30 GMT

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